Multi-purpose walking stick



FIG. 1 is a first perspective view of a multi-purpose walking stick showing my new design;

FIG. 2 is a second perspective view of the walking stick thereof in an extended position;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The portions shown in broken lines are included for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a multi-purpose walking stick, as shown and described. 